Wall clock time and date at job start Sat Apr 11 2020 06:12:12 AMSOL-version 7.1 by G. D. Hawkins, D. J. Giesen, G. C. Lynch, C. C. Chambers, I. Rossi, J. W. Storer, J. Li, J. D. Thompson, P. Winget, B. J. Lynch, D. Rinaldi, D. A. Liotard, C. J. Cramer, and D. G. Truhlar Copyright 2004 by Regents of the University of Minnesota. All rights reserved. Notice: recipients of this code are asked to comply with the user agreement in Section 1 of the documentation file. ******************************************************************************* * 1SCF - SCF CALCULATION WITHOUT GEOMETRY OPTIMIZATION * - USE EF ROUTINE FOR MINIMUM SEARCH (DEFAULT) * GEO-OK - OVERRIDE INTERATOMIC DISTANCE CHECK * TLIMIT= - A TIME OF 15. SECONDS REQUESTED * CHARGE - CHARGE ON SYSTEM= -1 * AM1 - THE AM1 HAMILTONIAN TO BE USED * DEV - DEVELOPER OPTIONS ARE ALLOWED * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS USER-SPECIFIED * DIELEC - THE SOLVENT DIELECTRIC CONSTANT IS 2.06 * IOFR - THE SOLVENT INDEX OF REFRACTION IS 1.4345 * ALPHA - THE SOLVENT ALPHA IS 0.00 * BETA - THE SOLVENT BETA IS 0.00 * GAMMA - THE SOLVENT MACROSCOPIC SURFACE TENSION IS * 38.93 CAL MOL^-1 ANGSTROM^-2 * FACARB - THE FRACTION OF AROMATIC CARBONS IS 0.00 * FEHALO - THE FRACTION OF ELECTRONEGATIVE HALOGENS IS 0.00 ******************************************************************************* Atom NO. Chemical Bond length Bond angle Dihedral angle number (k) symbol (angstroms) (degrees) (degrees) (I) NA:I NB:NA:I NC:NB:NA:I NA NB NC 1 1 C 2 2 O 1.42903 * 1 3 3 C 1.42893 * 114.00268 * 2 1 4 4 C 1.53008 * 109.47057 * 180.02562 * 3 2 1 5 5 C 1.53005 * 109.46898 * 180.02562 * 4 3 2 6 6 O 1.42904 * 109.46711 * 180.02562 * 5 4 3 7 7 C 1.42897 * 113.99448 * 179.97438 * 6 5 4 8 8 C 1.53002 * 109.46706 * 179.97438 * 7 6 5 9 9 C 1.50707 * 109.46956 * 180.02562 * 8 7 6 10 10 O 1.21280 * 119.99803 * 0.02562 * 9 8 7 11 11 N 1.34780 * 119.99698 * 179.72537 * 9 8 7 12 12 C 1.45730 * 117.76183 * 359.97438 * 11 9 8 13 13 C 1.53052 * 109.55682 * 141.08568 * 12 11 9 14 14 C 1.52946 * 108.49529 * 53.80054 * 13 12 11 15 15 C 1.52930 * 109.78834 * 294.00961 * 14 13 12 16 16 H 1.08996 * 110.51178 * 292.89733 * 15 14 13 17 17 C 1.44185 * 117.75810 * 179.73899 * 11 9 8 18 18 H 1.09005 * 109.23107 * 333.40520 * 17 11 9 19 19 C 1.54565 * 111.48556 * 93.65892 * 17 11 9 20 20 C 1.54052 * 103.67562 * 153.28022 * 19 17 11 21 21 N 1.46891 * 107.70903 * 342.85452 * 20 19 17 22 22 C 1.36932 * 125.58527 * 177.00404 * 21 20 19 23 23 H 1.07993 * 119.99975 * 187.39066 * 22 21 20 24 24 C 1.38813 * 120.00058 * 7.38672 * 22 21 20 25 25 N 1.31628 * 119.99812 * 8.04176 * 24 22 21 26 26 Si 1.86793 * 120.00103 * 188.04291 * 24 22 21 27 27 H 1.48500 * 109.47261 * 94.77367 * 26 24 22 28 28 H 1.48508 * 109.46895 * 214.77099 * 26 24 22 29 29 H 1.48500 * 109.47223 * 334.76810 * 26 24 22 30 30 H 1.09001 * 109.46695 * 59.99546 * 1 2 3 31 31 H 1.08997 * 109.47384 * 179.97438 * 1 2 3 32 32 H 1.09006 * 109.46493 * 299.99950 * 1 2 3 33 33 H 1.09003 * 109.47149 * 60.00845 * 3 2 1 34 34 H 1.09000 * 109.47465 * 300.00166 * 3 2 1 35 35 H 1.08992 * 109.47173 * 60.00335 * 4 3 2 36 36 H 1.09009 * 109.46822 * 300.00068 * 4 3 2 37 37 H 1.08992 * 109.47434 * 59.99883 * 5 4 3 38 38 H 1.08998 * 109.46529 * 299.99603 * 5 4 3 39 39 H 1.08998 * 109.47493 * 60.00023 * 7 6 5 40 40 H 1.08996 * 109.47312 * 299.99613 * 7 6 5 41 41 H 1.09001 * 109.47643 * 60.00192 * 8 7 6 42 42 H 1.09003 * 109.47247 * 299.99289 * 8 7 6 43 43 H 1.09001 * 109.45693 * 261.11250 * 12 11 9 44 44 H 1.09000 * 109.45639 * 21.05712 * 12 11 9 45 45 H 1.08998 * 109.63346 * 173.50299 * 13 12 11 46 46 H 1.09001 * 109.63378 * 293.89845 * 13 12 11 47 47 H 1.08999 * 109.41532 * 54.10869 * 14 13 12 48 48 H 1.08999 * 109.41725 * 173.91037 * 14 13 12 49 49 H 1.09008 * 110.61880 * 34.73153 * 19 17 11 50 50 H 1.09002 * 110.71713 * 271.88174 * 19 17 11 51 51 H 1.08991 * 109.81689 * 223.29669 * 20 19 17 52 52 H 1.09004 * 109.86492 * 102.42871 * 20 19 17 53 53 H 0.96993 * 119.99765 * 179.97438 * 25 24 22 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 6 0.0000 0.0000 0.0000 2 8 1.4290 0.0000 0.0000 3 6 2.0103 1.3054 0.0000 4 6 3.5356 1.1845 -0.0006 5 6 4.1579 2.5822 0.0000 6 8 5.5825 2.4693 -0.0012 7 6 6.2650 3.7247 -0.0013 8 6 7.7759 3.4838 -0.0020 9 6 8.4957 4.8078 -0.0015 10 8 7.8626 5.8422 -0.0001 11 7 9.8431 4.8423 0.0037 12 6 10.5546 3.5705 0.0092 13 6 11.7876 3.6694 -0.8922 14 6 12.6178 4.8748 -0.4482 15 6 11.8385 6.1645 -0.7087 16 1 11.7208 6.3299 -1.7796 17 6 10.4818 6.1350 -0.0019 18 1 9.8175 6.8616 -0.4698 19 6 10.8091 6.6108 1.4318 20 6 12.0136 7.5514 1.2373 21 7 12.5828 7.2799 -0.0894 22 6 13.6316 7.9511 -0.6590 23 1 13.9019 7.7582 -1.6866 24 6 14.3473 8.8796 0.0843 25 7 14.1239 9.0018 1.3758 26 14 15.6273 9.9557 -0.7480 27 1 15.0127 11.2534 -1.1265 28 1 16.7554 10.1964 0.1873 29 1 16.1317 9.2726 -1.9663 30 1 -0.3633 0.5139 -0.8900 31 1 -0.3634 -1.0276 -0.0005 32 1 -0.3632 0.5139 0.8901 33 1 1.6888 1.8463 0.8901 34 1 1.6887 1.8464 -0.8899 35 1 3.8568 0.6438 -0.8908 36 1 3.8575 0.6433 0.8892 37 1 3.8367 3.1226 0.8904 38 1 3.8360 3.1236 -0.8896 39 1 5.9878 4.2891 0.8891 40 1 5.9864 4.2897 -0.8908 41 1 8.0535 2.9193 -0.8922 42 1 8.0542 2.9191 0.8879 43 1 10.8666 3.3334 1.0263 44 1 9.8963 2.7846 -0.3610 45 1 12.3826 2.7609 -0.7999 46 1 11.4745 3.7984 -1.9283 47 1 12.8361 4.7920 0.6165 48 1 13.5528 4.8968 -1.0081 49 1 11.0814 5.7656 2.0641 50 1 9.9657 7.1522 1.8604 51 1 12.7611 7.3583 2.0066 52 1 11.6858 8.5894 1.2931 53 1 14.6242 9.6503 1.8952 RHF calculation, no. of doubly occupied orbitals= 66 REFERENCES FOR PARAMETERS IN GAS-PHASE HAMILTONIAN: H: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) C: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) N: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) O: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) Si: (AM1): M.J.S.DEWAR, C. JIE, ORGANOMETALLICS, 6, 1486-1490 (1987). REFERENCE FOR CHARGE MODEL 2: J. Li, J. Xing, C. J. Cramer, and D. G. Truhlar, J. Chem. Phys. 111 (1999) 885. REFERENCE FOR THE PARAMETERIZATION OF THE SM5.42R SOLVATION MODEL: J. Li, T. Zhu, G. D. Hawkins, P. Winget, D. A. Liotard, C. J. Cramer, and D. G. Truhlar, Theor. Chem. Acc. 103 (1999) 9-63 P. Winget, J. D. Thompson C. J. Cramer,and D. G. Truhlar, J. Phys. Chem. B. submitted. CHARGE=-1 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=GENORG IOFR=1.4345 ALPHA=0.00 BETA=0.00 GAMMA=38.93 & DIELEC=2.06 FACARB=0.00 FEHALO=0.00 DEV ZINC001700017942.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Apr 11 2020 06:12:12 Heat of formation + Delta-G solvation = -106.789650 kcal Electronic energy + Delta-G solvation = -30000.317833 eV Core-core repulsion = 25872.724828 eV Total energy + Delta-G solvation = -4127.593005 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.91 seconds Orbital eigenvalues (eV) -40.52916 -38.76665 -38.23719 -37.68077 -35.40674 -33.54689 -32.58435 -32.40440 -31.22970 -28.97828 -28.36314 -27.46776 -25.44704 -24.71996 -24.37870 -23.35555 -22.03766 -21.91588 -20.30799 -19.72561 -18.11057 -17.64586 -17.02517 -16.93504 -16.89355 -16.28660 -16.16523 -15.59610 -15.31321 -15.04675 -14.77006 -14.59323 -14.24751 -14.16545 -13.81519 -13.61645 -13.41592 -13.15836 -12.82596 -12.45847 -12.33063 -12.12894 -12.04277 -11.93554 -11.84159 -11.64384 -11.42354 -11.27011 -11.25104 -11.02797 -10.94713 -10.78513 -10.68103 -10.45020 -10.15874 -10.12592 -10.08442 -9.85890 -9.66112 -9.57286 -9.51305 -8.62032 -8.32762 -6.85092 -5.71605 -3.07990 2.70117 2.77849 3.21743 3.39925 3.45286 3.47033 3.78510 4.47772 4.48114 4.55604 4.64515 4.72058 4.81183 4.84379 4.86575 4.90712 4.96762 4.99042 5.08443 5.12536 5.16413 5.22696 5.29314 5.31714 5.39821 5.47433 5.54607 5.57187 5.62052 5.64575 5.69908 5.72521 5.75427 5.88623 6.01350 6.10114 6.23174 6.30686 6.37151 6.56103 6.59783 6.65156 6.76132 6.90710 6.98485 7.09091 7.47393 7.55450 7.67585 7.81241 8.23944 8.30901 9.19393 9.80087 10.45526 11.38259 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.034688 B = 0.001688 C = 0.001651 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 807.012972 B =16584.029390 C =16957.596478 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.031 3.969 2 O -0.392 6.392 3 C 0.064 3.936 4 C -0.119 4.119 5 C 0.068 3.932 6 O -0.390 6.390 7 C 0.079 3.921 8 C -0.138 4.138 9 C 0.509 3.491 10 O -0.544 6.544 11 N -0.585 5.585 12 C 0.106 3.894 13 C -0.132 4.132 14 C -0.130 4.130 15 C 0.161 3.839 16 H 0.054 0.946 17 C 0.136 3.864 18 H 0.092 0.908 19 C -0.149 4.149 20 C 0.174 3.826 21 N -0.594 5.594 22 C -0.229 4.229 23 H 0.078 0.922 24 C -0.005 4.005 25 N -0.917 5.917 26 Si 0.911 3.089 27 H -0.289 1.289 28 H -0.291 1.291 29 H -0.281 1.281 30 H 0.042 0.958 31 H 0.087 0.913 32 H 0.042 0.958 33 H 0.052 0.948 34 H 0.052 0.948 35 H 0.080 0.920 36 H 0.080 0.920 37 H 0.052 0.948 38 H 0.051 0.949 39 H 0.059 0.941 40 H 0.059 0.941 41 H 0.101 0.899 42 H 0.101 0.899 43 H 0.064 0.936 44 H 0.081 0.919 45 H 0.071 0.929 46 H 0.064 0.936 47 H 0.062 0.938 48 H 0.063 0.937 49 H 0.056 0.944 50 H 0.061 0.939 51 H 0.059 0.941 52 H 0.033 0.967 53 H 0.252 0.748 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -20.879 -17.805 -2.070 27.517 Note: The Mulliken population analysis charges presented below were not used in the solvation calculation but are provided for completeness. The chosen solvation model uses CM2 partial charges for calculating solvation energies. Net atomic charges, atomic populations, and dipole contributions using Mulliken population analysis Atom NO. Type Charge No. of electrons 1 C -0.065 4.065 2 O -0.311 6.311 3 C -0.013 4.013 4 C -0.156 4.156 5 C -0.009 4.009 6 O -0.310 6.310 7 C 0.002 3.998 8 C -0.178 4.178 9 C 0.296 3.704 10 O -0.422 6.422 11 N -0.316 5.316 12 C -0.017 4.017 13 C -0.171 4.171 14 C -0.171 4.171 15 C 0.052 3.948 16 H 0.072 0.928 17 C 0.031 3.969 18 H 0.110 0.890 19 C -0.188 4.188 20 C 0.049 3.951 21 N -0.318 5.318 22 C -0.357 4.357 23 H 0.095 0.905 24 C -0.202 4.202 25 N -0.564 5.564 26 Si 0.741 3.259 27 H -0.216 1.216 28 H -0.218 1.218 29 H -0.206 1.206 30 H 0.060 0.940 31 H 0.105 0.895 32 H 0.060 0.940 33 H 0.070 0.930 34 H 0.070 0.930 35 H 0.099 0.901 36 H 0.099 0.901 37 H 0.070 0.930 38 H 0.070 0.930 39 H 0.077 0.923 40 H 0.077 0.923 41 H 0.120 0.880 42 H 0.119 0.881 43 H 0.083 0.917 44 H 0.099 0.901 45 H 0.089 0.911 46 H 0.083 0.917 47 H 0.081 0.919 48 H 0.082 0.918 49 H 0.075 0.925 50 H 0.080 0.920 51 H 0.077 0.923 52 H 0.052 0.948 53 H 0.063 0.937 Dipole moment (debyes) X Y Z Total from point charges -20.782 -17.392 -1.987 27.172 hybrid contribution 0.472 1.045 -0.281 1.181 sum -20.310 -16.346 -2.268 26.169 Atomic orbital electron populations 1.22762 0.80723 1.02927 1.00097 1.87867 1.19925 1.27813 1.95455 1.22377 0.93526 0.84868 1.00521 1.21370 0.92595 0.96889 1.04791 1.22262 0.81239 0.96736 1.00634 1.87775 1.17751 1.29815 1.95613 1.22146 0.90883 0.84905 1.01877 1.21525 0.94411 0.96428 1.05437 1.20438 0.82618 0.90784 0.76557 1.90700 1.66171 1.35306 1.49981 1.47070 1.05461 1.06973 1.72114 1.21570 0.94838 0.84708 1.00559 1.21848 0.96142 0.99811 0.99291 1.22122 0.98973 0.94209 1.01775 1.20866 0.89123 0.88886 0.95882 0.92808 1.21141 0.95187 0.82837 0.97701 0.89044 1.23050 1.00057 1.00033 0.95659 1.21086 0.90690 0.95016 0.88287 1.44512 1.35758 1.35706 1.15846 1.19011 1.05290 1.16206 0.95174 0.90466 1.24807 0.99440 1.00399 0.95578 1.69972 1.43920 1.37685 1.04837 0.86118 0.80782 0.80739 0.78217 1.21644 1.21783 1.20608 0.93965 0.89473 0.93954 0.92998 0.93012 0.90141 0.90135 0.93006 0.93031 0.92287 0.92308 0.88030 0.88077 0.91725 0.90120 0.91068 0.91712 0.91903 0.91805 0.92484 0.92038 0.92325 0.94846 0.93750 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 16. Note: The number of geometries may not correspond to the number of cycles due to rejected geometry changes. In the following table subtotal= G_P + SS G_CDS. Atom Chem. CM2 G_P Area Sigma k SS G_CDS Subtotal M number symbol chg. (kcal) (Ang**2) cal/(Ang**2) (kcal) (kcal) value 1 C 0.03 0.16 11.01 101.05 1.11 1.27 16 2 O -0.39 -3.27 10.70 -35.23 -0.38 -3.65 16 3 C 0.06 0.43 5.94 37.16 0.22 0.65 16 4 C -0.12 -0.89 5.95 -26.72 -0.16 -1.05 16 5 C 0.07 0.55 5.94 37.16 0.22 0.77 16 6 O -0.39 -4.06 10.34 -35.23 -0.36 -4.43 16 7 C 0.08 0.85 5.23 37.16 0.19 1.05 16 8 C -0.14 -1.46 4.39 -27.88 -0.12 -1.58 16 9 C 0.51 7.46 7.59 -10.98 -0.08 7.38 16 10 O -0.54 -9.95 15.26 5.56 0.08 -9.87 16 11 N -0.58 -8.74 2.79 -167.40 -0.47 -9.21 16 12 C 0.11 1.24 6.06 -4.43 -0.03 1.21 16 13 C -0.13 -1.67 6.10 -26.73 -0.16 -1.83 16 14 C -0.13 -2.27 5.31 -26.79 -0.14 -2.41 16 15 C 0.16 3.25 3.28 -67.30 -0.22 3.03 16 16 H 0.05 1.10 8.14 -51.93 -0.42 0.68 16 17 C 0.14 2.53 2.75 -68.33 -0.19 2.34 16 18 H 0.09 1.90 7.08 -51.93 -0.37 1.53 16 19 C -0.15 -2.95 6.46 -25.36 -0.16 -3.11 16 20 C 0.17 4.26 5.43 -3.28 -0.02 4.24 16 21 N -0.59 -14.84 2.94 -163.84 -0.48 -15.32 16 22 C -0.23 -6.25 10.25 -15.06 -0.15 -6.41 16 23 H 0.08 2.05 7.84 -52.49 -0.41 1.63 16 24 C -0.01 -0.15 5.44 -17.43 -0.09 -0.25 16 25 N -0.92 -26.80 10.50 55.49 0.58 -26.21 16 26 Si 0.91 22.00 29.56 -169.99 -5.02 16.98 16 27 H -0.29 -7.03 7.11 56.52 0.40 -6.63 16 28 H -0.29 -7.10 7.11 56.52 0.40 -6.70 16 29 H -0.28 -6.57 7.11 56.52 0.40 -6.17 16 30 H 0.04 0.18 8.14 -51.93 -0.42 -0.25 16 31 H 0.09 0.35 8.14 -51.93 -0.42 -0.07 16 32 H 0.04 0.18 8.14 -51.93 -0.42 -0.24 16 33 H 0.05 0.30 8.14 -51.93 -0.42 -0.13 16 34 H 0.05 0.29 8.14 -51.93 -0.42 -0.13 16 35 H 0.08 0.64 8.14 -51.93 -0.42 0.22 16 36 H 0.08 0.65 8.14 -51.92 -0.42 0.22 16 37 H 0.05 0.38 8.14 -51.93 -0.42 -0.05 16 38 H 0.05 0.37 8.14 -51.93 -0.42 -0.05 16 39 H 0.06 0.67 8.10 -51.93 -0.42 0.25 16 40 H 0.06 0.66 8.10 -51.93 -0.42 0.24 16 41 H 0.10 0.91 7.33 -51.93 -0.38 0.53 16 42 H 0.10 0.93 8.02 -51.93 -0.42 0.51 16 43 H 0.06 0.73 8.14 -51.93 -0.42 0.31 16 44 H 0.08 0.70 5.82 -51.93 -0.30 0.40 16 45 H 0.07 0.75 8.14 -51.93 -0.42 0.33 16 46 H 0.06 0.80 8.14 -51.93 -0.42 0.38 16 47 H 0.06 1.18 8.02 -51.93 -0.42 0.77 16 48 H 0.06 1.18 8.14 -51.93 -0.42 0.75 16 49 H 0.06 1.06 8.14 -51.92 -0.42 0.64 16 50 H 0.06 1.20 8.14 -51.93 -0.42 0.78 16 51 H 0.06 1.58 7.04 -51.93 -0.37 1.22 16 52 H 0.03 0.90 7.88 -51.93 -0.41 0.49 16 53 H 0.25 7.17 8.31 -40.82 -0.34 6.84 16 LS Contribution 414.35 15.07 6.24 6.24 Total: -1.00 -32.47 414.35 -9.40 -41.87 By element: Atomic # 1 Polarization: 8.11 SS G_CDS: -9.81 Total: -1.70 kcal Atomic # 6 Polarization: 5.09 SS G_CDS: 0.21 Total: 5.30 kcal Atomic # 7 Polarization: -50.38 SS G_CDS: -0.37 Total: -50.74 kcal Atomic # 8 Polarization: -17.29 SS G_CDS: -0.66 Total: -17.95 kcal Atomic # 14 Polarization: 22.00 SS G_CDS: -5.02 Total: 16.98 kcal Total LS contribution 6.24 Total: 6.24 kcal Total: -32.47 -9.40 -41.87 kcal The number of atoms in the molecule is 53 The average number of expansion shells was 16.00 The maximum number of expansion shells was 16 The minimum number of expansion shells was 16 **** NOTA BENE **** This is the net solvation energy for this exact molecular structure (nuclear and electronic)! The standard-state solvation energy should be obtained as the difference between the heat of formation plus delta-G solvation for the relaxed solvated system and that for the relaxed gas-phase system. ZINC001700017942.mol2 53 1SCF run This is a breakdown of the solvation energy calculated without geometric relaxation in solution: (1) E-EN(sol) electronic-nuclear energy of solute -64.920 kcal (2) G-P(sol) polarization free energy of solvation -32.468 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -97.388 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.401 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.870 kcal (6) G-S(sol) free energy of system = (1) + (5) -106.790 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.91 seconds